C:\BUILD\work\8b0ebd312dc47f30\projects\avast\microstub\x86\Release\microstub.pdb
Static task
static1
Behavioral task
behavioral1
Sample
101108589837f4d10ff229ed51adb4914f7d2bd6e7db4a1e2501ee718d2fe6d0.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
101108589837f4d10ff229ed51adb4914f7d2bd6e7db4a1e2501ee718d2fe6d0.exe
Resource
win10v2004-20240802-en
General
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Target
101108589837f4d10ff229ed51adb4914f7d2bd6e7db4a1e2501ee718d2fe6d0
-
Size
236KB
-
MD5
b90572d29f92a88509ebd6f8ff097509
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SHA1
5c52222fb58c98bd97abc9d236d3eff31b5f2d58
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SHA256
101108589837f4d10ff229ed51adb4914f7d2bd6e7db4a1e2501ee718d2fe6d0
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SHA512
de1762cf0eb6a694d331bba372e77ddd1b22a2e8e5d31b0ee29f68285e382954d2604de4c466683423bc50d3dfe10ad30dd63306e06731c4482bebcae4a8041e
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SSDEEP
3072:pl1JbTkyv8chtbsWAgRtsMUh6wogvb5dhIWd+MtWzALXJV0pWPGWgNXVFmtAG3EI:plPTrt8gRCZogvbD9VWz2o4j3EV3qN
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 101108589837f4d10ff229ed51adb4914f7d2bd6e7db4a1e2501ee718d2fe6d0
Files
-
101108589837f4d10ff229ed51adb4914f7d2bd6e7db4a1e2501ee718d2fe6d0.exe windows:5 windows x86 arch:x86
d692b06eb88ecd849f7778fde1ba5c2b
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
PDB Paths
Imports
kernel32
InterlockedExchangeAdd
HeapFree
GetLastError
SetLastError
Sleep
GetFileSizeEx
WriteFile
SetEndOfFile
SetFilePointerEx
CloseHandle
MapViewOfFile
UnmapViewOfFile
CreateFileMappingW
FindResourceExW
EnumResourceNamesW
GetWindowsDirectoryW
CreateDirectoryW
CreateFileW
MultiByteToWideChar
CreateThread
GetSystemTimeAsFileTime
GetNativeSystemInfo
lstrcatA
lstrlenA
GetVersionExA
GetCurrentProcess
GetExitCodeProcess
ResumeThread
ReleaseMutex
WaitForSingleObject
CreateMutexW
CreateProcessW
GetPrivateProfileIntW
GetPrivateProfileStringW
GetDiskFreeSpaceExW
CopyFileW
MoveFileExW
CreateHardLinkW
LocalFree
HeapAlloc
GetProcessHeap
HeapSetInformation
ExitProcess
IsProcessorFeaturePresent
lstrcpyW
GetModuleHandleW
GetCommandLineW
GetSystemDirectoryW
SetDllDirectoryW
WriteConsoleW
FlushFileBuffers
GetConsoleMode
GetConsoleCP
SetStdHandle
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCPInfo
GetOEMCP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
LCMapStringW
FindResourceW
LoadLibraryW
SizeofResource
LoadResource
GlobalFree
GlobalUnlock
GlobalLock
GlobalAlloc
GetVersionExW
FreeLibrary
LockResource
GetFileType
GetStringTypeW
InterlockedExchange
GetUserDefaultLangID
GetProcAddress
GetACP
RaiseException
GetSystemInfo
VirtualProtect
VirtualQuery
LoadLibraryExA
LoadLibraryA
DecodePointer
GetVersion
HeapDestroy
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
DeviceIoControl
GetVolumeNameForVolumeMountPointW
GetVolumePathNameW
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
TerminateProcess
OutputDebugStringW
RtlUnwind
EncodePointer
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
GetCommandLineA
GetStdHandle
GetModuleFileNameW
GetModuleHandleExW
user32
ReleaseDC
GetMessageW
TranslateMessage
DispatchMessageW
AllowSetForegroundWindow
PostMessageW
wsprintfA
LoadStringW
MessageBoxExW
wsprintfW
SystemParametersInfoW
IsDialogMessageW
LoadImageW
DestroyIcon
FindWindowW
FillRect
GetWindowRect
InvalidateRect
SendMessageW
BeginPaint
EndPaint
GetDC
SetForegroundWindow
GetSystemMetrics
KillTimer
SetTimer
SetFocus
SetWindowPos
DestroyWindow
CreateWindowExW
RegisterClassExW
PostQuitMessage
DefWindowProcW
gdi32
GetObjectW
CreateDIBSection
SelectObject
GetTextExtentPoint32W
DeleteObject
CreateSolidBrush
CreatePatternBrush
CreateFontIndirectW
advapi32
CryptDestroyHash
CryptHashData
CryptCreateHash
CryptGenRandom
CryptGetHashParam
CryptReleaseContext
CryptAcquireContextA
GetSidSubAuthorityCount
GetSidSubAuthority
IsValidSid
GetTokenInformation
OpenProcessToken
ConvertStringSecurityDescriptorToSecurityDescriptorA
ole32
CoInitializeEx
CoCreateInstance
CreateStreamOnHGlobal
CoUninitialize
comctl32
ord17
shlwapi
StrStrW
StrToIntW
Sections
.text Size: 139KB - Virtual size: 138KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 41KB - Virtual size: 40KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.didat Size: 512B - Virtual size: 80B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 44KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 7KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ